You could also mix mold making silicone rubber with mica powder to create new colors. EASY MIXING & POURING This silicone molds making kit includes part A and part B, the mix ratio is 1:1 by weight. Pour the Part A and Part B together, then stir the silicone rubber for 5 minutes, make sure to stir the liquid siicone rubber mixture thoroughly for better results. The working time is 5 minutes at room temperature. NO BUBBLES The bubbles of liquid silicone will automatically disappear within 2 hours, no vacuum degassing is necessary. The working time of making mold kit is 40 minutes at room temperature and the complete cure time is at least 4 hours at room temperature, it varies on your mold size and thickness. If it's s little sticky, please extend the curing time of silicone rubber GREAT FOR BEGINNER If you're new to the mold making, this mold making kit is a perfect choice for y...